c#获取文件属性(创建时间/最后修改时间等)

【实例截图】

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.IO;

namespace Example071_获取文件属性
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.OpenFileDialog openFileDialog1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(16, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(100, 16);
			this.label1.TabIndex = 0;
			this.label1.Text = "CreationTime:";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 56);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(100, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "LastAccessTime:";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 88);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(100, 16);
			this.label3.TabIndex = 2;
			this.label3.Text = "LastWriteTime:";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(16, 120);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(100, 16);
			this.label4.TabIndex = 3;
			this.label4.Text = "FileName:";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(352, 157);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.label4,
																		  this.label3,
																		  this.label2,
																		  this.label1});
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load  = new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			if(this.openFileDialog1.ShowDialog()==DialogResult.OK)
			{
				this.label1.AutoSize=true;
				this.label2.AutoSize=true;
				this.label3.AutoSize=true;
				this.label4.AutoSize=true;

				FileInfo fi=new FileInfo(this.openFileDialog1.FileName);
				this.label1.Text=this.label1.Text fi.CreationTime.ToString();
				this.label2.Text=this.label2.Text fi.LastAccessTime.ToString();
				this.label3.Text=this.label3.Text fi.LastWriteTime.ToString();
				this.label4.Text=this.label4.Text this.openFileDialog1.FileName;
			}
		}
	}
}